Its not really a case of weither any handguns are suitable for killing game. Experience has proved that they are capable. They are also capable of shooting casual targets such as wood blocks and tin cans and providing many hours of entertainment.
The big point is our government trusting us, even after strict checks and balances that show we are safe, rational, educated, sober people with no violent tendancies.
They used to trust us, up until the seventies.....I've been told that some city police forces don't even trust their uniformed officers to take their firearms home when off duty.
A handgun residing in a proper holster is safer than any long gun that is being carried by hand.